tq.py

import Queue as queue # like really
import urllib2
import threading

class DoThing(object):
  def __init__(self, url):
    self.q = queue.Queue()
    self.t = threading.Thread(target=self.go, args=(url,))
    self.t.start()

  def go(self, url):
    # while True:
    for i in range(5):  # just using a range for testing
      resp = urllib2.urlopen(url)
      data = resp.read()
      # do stuff with data w/e
      self.q.put(data)

  def __iter__(self):
    return self

  def next(self):
    try:
      d = self.q.get_nowait()
      return d
    except queue.Empty:
      return None

if __name__ == '__main__':
  d = DoThing('https://gist.githubusercontent.com/Alligator/0924360bfe9411604c77/raw/7eb762ad3814b04254b4f3a25598ced3addbb2bd/ri.md')
  for n in d:
    if n:
      print n